Lecture_20-Narcotics - Narcotic use is associated with a...

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Narcotics The term "narcotic," derived from the Greek word for stupor, originally referred to a variety of substances that dulled the senses and relieved pain….Narcotics are used therapeutically to treat pain, suppress cough, alleviate diarrhea, and induce anesthesia. Narcotics are administered in a variety of ways. Some are taken orally, transdermally (skin patches), or injected. They are also available in suppositories. As drugs of abuse, they are often smoked, sniffed, or injected. Drug effects depend heavily on the dose, route of administration, and previous exposure to the drug. Aside from their medical use, narcotics produce a general sense of well-being by reducing tension, anxiety, and aggression. These effects are helpful in a therapeutic setting but con tribute to their abuse.
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Unformatted text preview: Narcotic use is associated with a variety of unwanted effects including drowsiness, inability to concentrate, apathy, lessened physical activity, constriction of the pupils, dilation of the subcutaneous blood vessels causing flushing of the face and neck, constipation, nausea and vomiting, and most significantly, respiratory depression. As the dose is increased, the subjective, analgesic (pain relief), and toxic effect become more pronounced. Except in cases of acute intoxication, there is no loss of motor coordination or slurred speech as occurs with many depressants. Reference: www.usdoj.gov Some narcotic drugs include: Codeine Meperidine hydrochloride (demorol) Morphine sulfate (roxanol) Propoxyphene hydrochloride (darvon) Vicodin...
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This note was uploaded on 06/02/2011 for the course PHB 110 taught by Professor Shrank during the Spring '11 term at Moraine Valley Community College.

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